Infectious diseases.
D002644:Chickenpox / Q000175:diagnosis; D003141:Communicable Diseases / Q000175:diagnosis*; D005077:Exanthema Subitum / Q000175:diagnosis; D006801:Humans; D008457:Measles / Q000175:diagnosis; D012409:Rubella / Q000175:diagnosis; D012541:Scarlet Fever / Q000175:diagnosis